1. The basic specifications: 230V/400V, 50Hz/60Hz, 0.8pf, three phase four wires. 2. Charactor: Base fuel tank for 8 hours(canbe design from 8hours to 24 hours). 3. Use: Can be used for the open type and the soundproof type, automatic type, trailer type and etc. 4. Automatic alarm system: The unit has the acousto-optics alarm system and arrestor for any Situation asthe start defeat. The water over temperature, the oil pulls down, over speed, over Load and over current.